Get the convenience of CO2 inflation in a super-small pump that can be carried anywhere with Specialized's Cpr02 Pump. This little inflator boasts speedy, controlled inflation with the power of compressed CO2 and uses threaded cartridges

All the basics in one small, elegant package: that's Specialized's Air Tool C02 Mini Kit. A 16-gram C02 cartridge, a thread-on inflator head, and a tire lever are all fastened to your seat post with a fast and easy rubber strap. The front of the mounting system even holds two glueless patches for emergencies.

All the basics in one small, elegant package: that's Specialized's Air Tool C02 Mini Kit. A 25g C02 cartridge, a thread-on inflator head, and a tire lever are all fastened to your seat post with a fast and easy rubber strap. The front of the mounting system even holds two glueless patches for emergencies.

Get the speed of CO2 inflation and the reliability of a traditional hand pump with Specialized's Combo2. This compact pump that easily fits in a jersey pocket or pack includes a threaded 16-gram CO2 cartridge that stores inside the handle ready for use. You can use the CO2 to inflate your tire or pump to fill it (with the cartridge still inside the handle). There's even a pressure-relief button for fine-tuning your tire pressure.

Inflate your mountain bike tires with the speed of a C02 cartridge, and the confidence of a backup mini pump. Specialized's Air Tool C02 MTB Mini Pump fits easily inside a jersey pocket or pack, and includes a water bottle boss mount if that's more your style.